On Fri, 7 Sep 2007, Ken Murchison wrote: ; We have been running 2.3.x code on 64-bit sparcv9 kernels (Solaris 8 on Sun ; Fire V240) without any problem. What is your hardware and OS? The test server is a Sun V210 running SunOS xxx 5.10 Generic_125100-10 sun4u sparc SUNW,Sun-Fire-V210 (Solaris 10u2 fully patched as of ~4 weeks ago) I've compiled Cyrus as a 64-bit application: # file /opt/cyrus/bin/imapd /opt/cyrus/bin/imapd: ELF 64-bit MSB executable SPARCV9 Version 1, dynamically linked, not stripped CFLAGS="-g -fPIC" ./configure \ --prefix=/opt/cyrus \ --with-cyrus-prefix=/opt/cyrus \ --sysconfdir=/opt/cyrus/etc \ --with-openssl=/opt/openssl \ --with-sasl=/opt/CYRsasl2 \ --with-bdb=/opt/bdb \ --with-bdb-incdir=/opt/bdb/include \ --with-bdb-libdir=/opt/bdb/lib \ --enable-replication \ --enable-murder \ --with-perl=/opt/perl/bin/perl Without the patches I get a lot of Bus errors in various processes, examples below - as you can see they're all related to an unaligned 64-bit dereference. Program terminated with signal 10, Bus error. #0 0x0000000100060138 in mailbox_index_record_to_buf ( record=0xffffffff7fffdb20, buf=0xffffffff7fffd9ec "") at mailbox.c:1372 1372 *((bit64 *)(buf+OFFSET_MODSEQ_64)) = htonll(record->modseq); Program terminated with signal 10, Bus error. #0 0x0000000100062b78 in mailbox_expunge (mailbox=0x100270558, decideproc=0, deciderock=0x0, flags=0) at mailbox.c:2194 2194 *((bit64 *)(buf+OFFSET_QUOTA_MAILBOX_USED64)) = htonll(0); Program terminated with signal 10, Bus error. #0 0x0000000100009e38 in restore_expunged (mailbox=0xffffffff7fffe618, msgs=0x100202900, eexists=1, expunge_index_base=0xffffffff7a100000 "", numrestored=0xffffffff7fffd584, unsetdeleted=0) at unexpunge.c:307 307 newquotaused = Program terminated with signal 10, Bus error. #0 0x000000010002af64 in split_attribs (data=0xffffffff7c017014 "", datalen=30, attrib=0xffffffff7fffeed0) at annotate.c:313 313 attrib->size = (size_t) ntohl(*(unsigned long *) data); etc. etc. ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html